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package net.sf.aguacate.util.formatter.impl;

import java.text.Format;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.lang3.time.FastDateFormat;

import net.sf.aguacate.model.FieldType;
import net.sf.aguacate.util.formatter.OutputFormater;
import net.sf.aguacate.util.formatter.impl.spi.DateFormater;
import net.sf.aguacate.util.formatter.impl.spi.DefaultFormatter;

public class OutputFormaterImpl implements OutputFormater {

	private static final String SFMT_DATE = "yyyy-MM-dd";

	private static final String SFMT_TIME = "HH:mm:ss.SSS";

	private static final String SFMT_DATETIME = SFMT_DATE + "'T'" + SFMT_TIME;

	private static final Format FMT_DATE;

	private static final Format FMT_TIME;

	private static final Format FMT_DATETIME;

	private final Formater def;

	private final Map formaters;

	static {
		FMT_DATE = FastDateFormat.getInstance(SFMT_DATE);
		FMT_TIME = FastDateFormat.getInstance(SFMT_TIME);
		FMT_DATETIME = FastDateFormat.getInstance(SFMT_DATETIME);
	}

	public OutputFormaterImpl() {
		def = new DefaultFormatter();
		Map temp = new HashMap<>();
		temp.put(FieldType.DATE, new DateFormater(FMT_DATE));
		temp.put(FieldType.DATETIME, new DateFormater(FMT_DATETIME));
		temp.put(FieldType.TIME, new DateFormater(FMT_TIME));
		formaters = temp;
	}

	@Override
	public String toString(String type, Object value) {
		return toString(FieldType.valueOf(type), value);
	}

	@Override
	public String toString(FieldType type, Object value) {
		Formater formater = formaters.get(type);
		if (formater == null) {
			formater = def;
		}
		return formater.format(value);
	}

}